公开(公告)号：JP2000269723A

公开(公告)日：2000-09-29

申请号：JP2000023456

申请日：2000-02-01

Applicant: LUCENT TECHNOLOGIES INC

Inventor： DRABECK LAWRENCE M ,  HAMPEL KARL GEORG ,  MANKIEWICH PAUL MATTHEW ,  POLAKOS PAUL ANTHONY ,  RAJKUMAR AJAY ,  TRIOLO ANTHONY A ,  ZIESSE NORMAN GERARD

IPC: H01Q1/24 ,  H01Q3/04 ,  H01Q3/26 ,  H04B7/10 ,  H04B7/26 ,  H04W16/28

Abstract: PROBLEM TO BE SOLVED: To provide a method for adjusting the down-tilt angle of a radio communication system antenna. SOLUTION: Plural cells 1, 2, etc., include cell sites CS1, CS2, etc., respectively. A mobile switching center(MSC) 200 communicates with cell sites CS1, CS2, etc., and local switching networks. Each of cell sites CS1, CS2, etc., includes at least one electrically controllable antenna module, a support unit, a base station BS, and at least one down-tilt controller DC. The controllable antenna module is attached on the support unit. The base station BS communicates with MSC 200 by a high-frequency (RF) signal to/from the antenna module. The down-tilt controller DC communicates with the base station and the MSC 200 (more precisely MDCU 202) for controlling the down-tilt angle of the antenna module.

公开(公告)号：JP2002095040A

公开(公告)日：2002-03-29

申请号：JP2001231068

申请日：2001-07-31

Applicant: LUCENT TECHNOLOGIES INC

Inventor： CHEKURI CHANDRA S ,  DRABECK LAWRENCE M ,  ZHANG YIHAO LISA

IPC: H04B7/26 ,  H04W16/18 ,  H04Q7/36

Abstract: PROBLEM TO BE SOLVED: To provide a technique to be used when designing, adjusting or operating a wireless network, so as to provide a desired level of performance for the network. SOLUTION: An optimization process is applied to an information set characterizing a network. This optimization process contains an optimization stage before at least one, pre-frequency-assignment optimization stage, and this is applied prior to a frequency is allocated to one or a plurality of communication channels of a radio network. By the use of the output of the optimization process, one or plurality of operation parameters of the wireless network, such as transmission power of a base station, direction of an antenna, or the like are determined.

公开(公告)号：BR0103055A

公开(公告)日：2002-04-02

申请号：BR0103055

申请日：2001-07-27

Applicant: LUCENT TECHNOLOGIES INC

Inventor： CHEKURI CHANDRA S ,  DRABECK LAWRENCE M ,  ZHANG YIHAO LISA

IPC: H04B7/26 ,  H04W16/18 ,  H04Q7/20

Abstract: Techniques for use in designing, adjusting or operating a wireless network so as to provide a desired level of performance for the network. An optimization process is applied to a set of information characterizing the network. The optimization process includes at least a pre-frequency-assignment optimization stage, which is applied prior to assignment of frequencies to one or more communication channels of the wireless network. An output of the optimization process is utilized to determine one or more operating parameters of the wireless network, such as a base station transmit power or antenna orientation.

公开(公告)号：AU5594801A

公开(公告)日：2002-02-07

申请号：AU5594801

申请日：2001-07-24

Applicant: LUCENT TECHNOLOGIES INC

Inventor： CHEKURI CHANDRA S ,  ZHANG YIHAO LISA ,  DRABECK LAWRENCE M

IPC: H04B7/26 ,  H04W16/18 ,  H04B7/005 ,  H04Q7/38

Abstract: Techniques for use in designing, adjusting or operating a wireless network so as to provide a desired level of performance for the network. An optimization process is applied to a set of information characterizing the network. The optimization process includes at least a pre-frequency-assignment optimization stage, which is applied prior to assignment of frequencies to one or more communication channels of the wireless network. An output of the optimization process is utilized to determine one or more operating parameters of the wireless network, such as a base station transmit power or antenna orientation.

公开(公告)号：CA2348225A1

公开(公告)日：2002-01-31

申请号：CA2348225

申请日：2001-05-24

Applicant: LUCENT TECHNOLOGIES INC

Inventor： ZHANG YIHAO LISA ,  DRABECK LAWRENCE M ,  CHEKURI CHANDRA S

IPC: H04B7/26 ,  H04W16/18 ,  H04Q7/36

Abstract: Techniques for use in designing, adjusting or operating a wireless network s o as to provide a desired level of performance for the network. An optimization process is applied to a set of information characterizing the network. The optimization process includes at least a pre-frequency-assignment optimization stage, which is applied prior to assignment of frequencies to one or more communication channels of the wireless network . An output of the optimization process is utilized to determine one or more operating parameters of the wireless network, such as a base station transmit power or antenna orientation.